Walker Ultra EPA Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 93203
In stock
$194.99
Listed as compatible with this vehicle by the retailer feed.
Check priceSearch parts for your 2004 Nissan Maxima
23 products matching “Catalytic Converter” listed as compatible with this vehicle.
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 5421206
In stock
$367.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 84407
In stock
$382.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 83217
In stock
$391.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-487
In stock
$449.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 13.000 IN, 16438
In stock
$469.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-517
In stock
$483.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 50833
In stock
$499.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 49322
In stock
$524.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 50809
In stock
$588.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 13.000 IN, 16419
In stock
$594.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-507
In stock
$601.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 10.500 IN, 16397
In stock
$748.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 38.500 IN, 54781
In stock
$774.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 93669
In stock
$806.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 40.250 IN, 54686
In stock
$856.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 10.375 IN, 16221
In stock
$925.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Direct Fit Catalytic Converter Overall Length 12.875 IN, 83396
In stock
$941.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-518
In stock
$1,064.00
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 5421710
In stock
$1,116.00
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 49296
Out of stock
$618.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51207
Out of stock
$662.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 5411322
Out of stock
$857.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.